Sleeve



FIG. 1 is a perspective view of the sleeve showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side elevation view thereof, the right side elevation view being a mirror image thereof; and,

FIG. 6 is a bottom plan view thereof.

Broken line disclosures in FIGS. 1-6 are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a sleeve, as shown and described. 